Search field	Search terms
Study type	Interventional
Condition	COPD
Intervention	Penicillin OR phenoxymethylpenicillin OR phenethicillin OR amoxicillin OR amoxicillin OR "clavulanic acid" OR tetracycline OR oxytetracycline OR doxycycline OR quinolone OR ciprofloxacin OR moxifloxacin OR gemifloxacin OR levofloxacin OR macrolide OR erythromycin OR roxithromycin OR azithromycin OR clarithromycin OR telithromycin OR sulphonamide OR co‐trimoxazole OR sulphaphenazole OR trimethoprim OR sigmamycin OR tetracycline OR oleandomycin OR sulfamethoxazole OR sulfaphenazole OR sulphonamide OR cephalosporin